Irrigation, Waterways , Hydrology Section 2
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1) Question.
Given that the base period is 100 days and the duty of the canal is 1000 hectares per cumec, the depth of water will be
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2) Question.
Which one of the following constitutes the basic assumption of unit-hydrograph theory?
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3) Question.
A channel designed by Lacey's theory has a mean velocity of one m/sec. The silt factor is unity. The hydraulic mean radius will be
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4) Question.
If one wants to be 90% sure that the design flood in a dam project will not occur during the design life period of 100 years, the recurrence interval for such a flood would be
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5) Question.
A tropical cyclone in the Northern Hemisphere is a zone of
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6) Question.
As per the recommendations of the ISI (NBS), the shape of a lined canal is
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7) Question.
A 3-hour unit hydrograph (UH) differs from a 6-hour UH, for any catchment, in that
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8) Question.
A 4-hour rainfall in a catchment of 250km^2 produces rainfall depths of 6.2 cm and 5.0 cm in successive 2-hour unit periods. Assuming the ¢ index of the soil to be 1.2 cm/hr, the runoff volume in ha-m will be
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9) Question.
The ordinate of the Instantaneous Unit Hydrograph (IUH) of a catchment at any time t, is
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10) Question.
Right boundary canals whose bed and banks are made with non-erodible materials, are in
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11) Question.
As per Shield's criteria for the initiation of bed motion, the entertainment function is a unique function of
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12) Question.
The flow duration curve is a plot of
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13) Question.
For the upstream slope of an earth dam, the most critical condition is
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14) Question.
For a barrage, the exit gradient is independent of
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15) Question.
Cross-regulators in main canals are provided to
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16) Question.
Retrogression of downstream levels, generally considered in the design of weirs or barrages, is
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17) Question.
The double mass analysis is adopted to
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18) Question.
Im a siphon aqueduct the most severe condition of uplift on the floor occurs when
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19) Question.
Assertion A : Under identical conditions , the evaporation from sea water is less than that from the fresh water.
Reason R : Vapour pressure of sea water is less than that of pure water
Select your answer based on the coding system given below
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20) Question.
Percentage of raingauge stations which should be equipped with self recording gauges for knowing the intensity of rainfall should be about
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